Learn more about Costa Sunglasses Experience a world of amazing color, contrast and clarity through a pair of Costa Brine sunglasses. Exclusive, polarized Costa 580 lenses eliminate much of the glare and yellow light that negatively affects vision. The 580 advantage is available in lightweight, impact-resistant polycarbonate (580P) and optically perfect glass (580G) models. Anti-reflective, water-repellent coating sheds water and snow. Also available are the award-winning Sunrise 580P lenses that deliver 27% more light transmission for enhanced performance in low-light conditions. Glass lenses feature encapsulated, scratchproof mirrors. Exclusive lifetime warranty. Cancer and Reproductive Harm- www.P65Warnings.ca.gov. Type: Polarized.